Παραπομπή σε μορφή APA (7η εκδ.)

Churcher, C. (2016). Beginning SQL Queries: From Novice to Professional (2nd ed. 2016.). Apress : Imprint: Apress.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Churcher, Clare. Beginning SQL Queries: From Novice to Professional. 2nd ed. 2016. Berkeley, CA: Apress : Imprint: Apress, 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

Churcher, Clare. Beginning SQL Queries: From Novice to Professional. 2nd ed. 2016. Apress : Imprint: Apress, 2016.